MMDEX vs. VIGIX

Last updated Jun 4, 2026

MMDEX (Praxis Growth Index Fund) and VIGIX (Vanguard Growth Index Fund Institutional Shares) are both Large Cap Growth Equities funds. Over the past 10 years, MMDEX returned 18.08%/yr vs 18.40%/yr for VIGIX. With a 0.99 correlation, they move nearly in lockstep. MMDEX charges 0.36%/yr vs 0.04%/yr for VIGIX.

Performance

MMDEX vs. VIGIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Praxis Growth Index Fund (MMDEX) and Vanguard Growth Index Fund Institutional Shares (VIGIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MMDEX achieves a 12.14% return, which is significantly higher than VIGIX's 10.83% return. Both investments have delivered pretty close results over the past 10 years, with MMDEX having a 18.08% annualized return and VIGIX not far ahead at 18.40%.

MMDEX

• 1D: -0.03%
• 1M: 8.07%
• YTD: 12.14%
• 6M: 10.90%
• 1Y: 31.98%
• 3Y*: 25.25%
• 5Y*: 14.59%
• 10Y*: 18.08%

VIGIX

• 1D: -0.28%
• 1M: 7.55%
• YTD: 10.83%
• 6M: 10.12%
• 1Y: 29.46%
• 3Y*: 26.47%
• 5Y*: 15.72%
• 10Y*: 18.40%

*Multi-year figures are annualized to reflect compound growth (CAGR)

MMDEX vs. VIGIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MMDEX Praxis Growth Index Fund	12.14%	18.34%	33.44%	29.82%	-28.23%	28.12%	33.23%	39.87%	0.32%	26.78%
VIGIX Vanguard Growth Index Fund Institutional Shares	10.83%	19.44%	32.68%	46.77%	-33.13%	27.27%	40.19%	37.26%	-3.34%	27.81%

Correlation

The correlation between MMDEX and VIGIX is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	1.00
Correlation (3Y) Calculated over the trailing 3-year period	0.99
Correlation (5Y) Calculated over the trailing 5-year period	0.99
Correlation (10Y) Calculated over the trailing 10-year period	0.99
Correlation (All Time) Calculated using the full available price history since May 3, 2007	0.99

The correlation between MMDEX and VIGIX has been stable across timeframes, ranging from 0.99 to 1.00 - a consistent structural relationship.

Return for Risk

MMDEX vs. VIGIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

MMDEX

MMDEX Risk / Return Rank: 41
MMDEX Sharpe Ratio Rank: 50
MMDEX Sortino Ratio Rank: 44
MMDEX Omega Ratio Rank: 45
MMDEX Calmar Ratio Rank: 32
MMDEX Martin Ratio Rank: 33

VIGIX

VIGIX Risk / Return Rank: 34
VIGIX Sharpe Ratio Rank: 43
VIGIX Sortino Ratio Rank: 38
VIGIX Omega Ratio Rank: 39
VIGIX Calmar Ratio Rank: 25
VIGIX Martin Ratio Rank: 27

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

MMDEX vs. VIGIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Praxis Growth Index Fund (MMDEX) and Vanguard Growth Index Fund Institutional Shares (VIGIX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	MMDEX	VIGIX	Difference
Sharpe ratio: Return per unit of total volatility	2.10	1.92	+0.18
Sortino ratio: Return per unit of downside risk	2.80	2.59	+0.21
Omega ratio: Gain probability vs. loss probability	1.36	1.33	+0.03
Calmar ratio: Return relative to maximum drawdown	2.10	1.85	+0.25
Martin ratio: Return relative to average drawdown	7.45	6.49	+0.95
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MMDEX vs. VIGIX - Sharpe Ratio Comparison

The current MMDEX Sharpe Ratio is 2.10, which is comparable to the VIGIX Sharpe Ratio of 1.92. The chart below compares the historical Sharpe Ratios of MMDEX and VIGIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	MMDEX	VIGIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.10	1.92	+0.18
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.70	0.71	0.00
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.88	0.86	+0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.63	0.47	+0.16

Drawdowns

MMDEX vs. VIGIX - Drawdown Comparison

The maximum MMDEX drawdown since its inception was -49.99%, smaller than the maximum VIGIX drawdown of -56.95%. Use the drawdown chart below to compare losses from any high point for MMDEX and VIGIX.

Drawdown Indicators

	MMDEX	VIGIX	Difference
Max Drawdown Largest peak-to-trough decline	-49.99%	-56.95%	+6.96%
Max Drawdown (1Y) Largest decline over 1 year	-15.73%	-16.51%	+0.78%
Max Drawdown (3Y) Largest decline over 3 years	-23.16%	-23.03%	-0.13%
Max Drawdown (5Y) Largest decline over 5 years	-33.36%	-35.62%	+2.26%
Max Drawdown (10Y) Largest decline over 10 years	-33.36%	-35.62%	+2.26%
Current Drawdown Current decline from peak	-0.03%	-0.28%	+0.25%
Average Drawdown Average peak-to-trough decline	-7.95%	-16.28%	+8.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.43%	4.68%	-0.25%

Volatility

MMDEX vs. VIGIX - Volatility Comparison

Praxis Growth Index Fund (MMDEX) and Vanguard Growth Index Fund Institutional Shares (VIGIX) have volatilities of 3.60% and 3.62%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MMDEX	VIGIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.60%	3.62%	-0.02%
Volatility (6M) Calculated over the trailing 6-month period	11.97%	12.10%	-0.13%
Volatility (1Y) Calculated over the trailing 1-year period	15.76%	15.87%	-0.11%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.87%	22.35%	-1.48%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.55%	21.59%	-1.04%

MMDEX vs. VIGIX - Expense Ratio Comparison

MMDEX has a 0.36% expense ratio, which is higher than VIGIX's 0.04% expense ratio.

Dividends

MMDEX vs. VIGIX - Dividend Comparison

MMDEX's dividend yield for the trailing twelve months is around 4.18%, more than VIGIX's 0.37% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MMDEX Praxis Growth Index Fund	4.18%	4.69%	1.65%	2.02%	5.77%	1.42%	6.66%	12.23%	5.03%	3.42%	1.08%	1.54%
VIGIX Vanguard Growth Index Fund Institutional Shares	0.37%	0.41%	0.47%	0.58%	0.70%	0.48%	0.66%	0.95%	1.32%	1.15%	1.40%	1.31%

Frequently Asked Questions

Can I hold both MMDEX and VIGIX in my portfolio?

With a correlation of 1.00, MMDEX and VIGIX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, MMDEX or VIGIX?

VIGIX has higher volatility (3.62%) compared to MMDEX (3.60%). In terms of maximum drawdown, MMDEX dropped -49.99% vs VIGIX's -56.95%.

Which has better risk-adjusted returns?

MMDEX currently has the higher Sharpe Ratio (2.10 vs 1.92), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.